申请人:Sanyo Chemical Industries, Ltd.
公开号:US05160662A1
公开(公告)日:1992-11-03
Optically active compounds having the following formulae (1), (2) or (3) ##STR1## wherein R and R' are C.sub.1-20 alkyl groups; X and Y.sub.1 are --, O, S, or divalent groups such as COO, OOC and OCOO; m is 0 or 1; n is 0 to 5; A.sub.2 is a cyclic group, such as p,p'-biphenylene, 2,6-naphthylene, 2,5-pyrimidinylene-1,4-phenylene, A.sub.1 -Y.sub.2 -pyridylene or A.sub.4 -Y.sub.2 -A.sub.5 ; Y.sub.2 is CH.sub.2 CH.sub.2 or C.tbd.C; A.sub.3 is 2,6-naphthylene, A.sub.1 -Y.sub.2 -pyridylene or A.sub.6 -CH.sub.2 CH.sub.2 -A.sub.7 ; and A.sub.1, A.sub.4, A.sub.5, A.sub.6 and A.sub.7 are cyclic groups, such as 1,4-phenylene and/or 4,4'-biphenylene.
具有以下化学式(1)、(2)或(3)的光学活性化合物
其中R和R'是C.sub.1-20烷基基团;X和Y.sub.1是--,O,S或COO,OOC和OCOO等二价基团;m为0或1;n为0至5;A.sub.2是环状基团,例如p,p'-联苯基,2,6-萘基,2,5-嘧啶基-1,4-苯基,A.sub.1 -Y.sub.2 -吡啶基或A.sub.4 -Y.sub.2 -A.sub.5;Y.sub.2是CH.sub.2 CH.sub.2或C.tbd.C;A.sub.3是2,6-萘基,A.sub.1 -Y.sub.2 -吡啶基或A.sub.6 -CH.sub.2 CH.sub.2 -A.sub.7;而A.sub.1,A.sub.4,A.sub.5,A.sub.6和A.sub.7是环状基团,例如1,4-苯基和/或4,4'-联苯基。